Ametal crystallizes witha face- centred cubic lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is

Ametal crystallizes witha face- centred cubic lattice. The edge of the

1.	Ametal crystallizes witha face- centred cubic lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is
Answer» 288 PM 408 pm 144 pm 204 pm SOLUTION :For fcc,LATTICE , ` R = a/(2SQRT2) = 0.3535 a ` = `0.3535 xx 408 "pm" = 144 "pm"` Diameter = 2 r = 288 pm.